13143241 has 2 divisors, whose sum is σ = 13143242. Its totient is φ = 13143240.

The previous prime is 13143239. The next prime is 13143257. The reversal of 13143241 is 14234131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 1440000 = 3421^2 + 1200^2 .

It is an emirp because it is prime and its reverse (14234131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13143241 - 2¹ = 13143239 is a prime.

Together with 13143239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13143211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571620 + 6571621.

It is an arithmetic number, because the mean of its divisors is an integer number (6571621).

Almost surely, 2^13143241 is an apocalyptic number.

It is an amenable number.

13143241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143241 is an equidigital number, since it uses as much as digits as its factorization.

13143241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 13143241 is about 3625.3608096298. The cubic root of 13143241 is about 235.9939252003.

Adding to 13143241 its reverse (14234131), we get a palindrome (27377372).

The spelling of 13143241 in words is "thirteen million, one hundred forty-three thousand, two hundred forty-one".